1. persistent stubbornly unyielding
  2. legal assistant a person with specialized training who assists lawyers
  3. fire-resistant difficult to burn
  4. water-resistant hindering the penetration of water
  5. waiter's assistant a restaurant attendant who sets tables and assists waiters and clears away dirty dishes
  6. library science the study of the principles and practices of library administration
  7. shop assistant a salesperson in a store
  8. library routine a debugged routine that is maintained in a program library
  9. library paste an adhesive made from water and flour or starch
  10. secretarial assistant an assistant who handles correspondence and clerical work for a boss or an organization
  11. dental assistant an assistant to a dentist
  12. actor's assistant a wardrobe assistant for an actor
  13. resistant disposed to or engaged in defiance of established authority
  14. precedent an example that is used to justify similar occurrences
  15. pre-existent existing previously or before something
  16. least resistance the least effortful way to do something
  17. preexistent existing previously or before something
  18. crease-resistant of fabric that does not wrinkle easily
  19. medical assistant a person trained to assist medical professionals
  20. persistence continuing or repeating behavior